Web3: Build a Solidity ERC-20 Token with Tests
ERC-20 token in Solidity with security best practices and Foundry tests.
Browse and customize AI prompt templates for ChatGPT, Claude, Midjourney, and more. Copy-ready prompts with fillable placeholders.
ERC-20 token in Solidity with security best practices and Foundry tests.
Production-ready Terraform VPC module for AWS.
Production Django 5 + DRF API with auth, throttling, and tests.
Implement secure API authentication — OAuth 2.0, JWT, API keys, RBAC, and token refresh with security best pra...
Design a production GraphQL API — schema design, resolvers, dataloaders, subscriptions, and N+1 prevention.
Design a RESTful API following industry best practices — resource naming, HTTP methods, status codes, paginati...
Design a search autocomplete system — trie data structure, ranking algorithms, personalization, and sub-100ms...
Design a CDN from scratch — edge caching, cache invalidation, origin shielding, and geographic routing for glo...
Design an event-driven microservices architecture — event sourcing, CQRS, saga patterns, and eventual consiste...
Design a multi-channel notification service — email, SMS, push, in-app with templates, preferences, batching,...
Design a distributed rate limiter — token bucket, sliding window, fixed window algorithms with Redis, and mult...
Design a distributed task queue like Celery or Bull — job scheduling, priority queues, retries, dead letter qu...
Design a scalable real-time chat system like Slack — WebSockets, message delivery guarantees, presence, and me...
Design a URL shortener service like Bitly — hashing strategy, database choice, caching, analytics, and horizon...
Optimize your Next.js app for search engines and Core Web Vitals — metadata, structured data, sitemap, image o...